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Eocene ungulate mammals from West Antarctica: Implications from their fossil record and a new species
(Cambridge University Press, 2017-10)
Here we describe a new terrestrial mammal from the Eocene of Seymour Island (Isla Marambio) represented by a lower left third molar and assigned to a new species of Sparnotheriodontidae, an ungulate family with a broad ...
The oldest mammals from Antarctica, early Eocene of the La Meseta Formation, Seymour Island
(Wiley Blackwell Publishing, Inc, 2014-07)
New fossil mammals found at the base of Acantilados II Allomember of the La Meseta Formation, from the early Eocene (Ypresian) of Seymour Island, represent the oldest evidence of this group in Antarctica. Two specimens are ...
Considerations about the evolutionary stasis of Notiolofos arquinotiensis (Mammalia: Sparnotheriodontidae), eocene of Seymour Island, Antarctica
(Asociacion Paleontologica Argentina, 2016-06)
Notiolofos arquinotiensis is the most abundant terrestrial placental mammal in the Paleogene of the Antarctic continent. Evidence suggests a South American origin of Sparnotheriodontidae, and an allopatric speciation event ...